Validation

Nod is a jQuery plugin that gives you frontend validation for forms. While it isn't strictly Bootstrap dependent, it defaults to the structure that Bootstrap uses for its forms. However it should be flexible enough to accomodate most any structure.

Alpaca is the Easy Forms Engine for jQuery / Bootstrap. It is built around JSON schema to keep things simple. Using Alpaca, you can express your forms object model, types, properties and validation logic.

Alpaca comes pre-configured to work nicely with the following web frameworks:

jQuery validation engine is a jQuery plugin aimed at the validation of form fields in the browser (IE 6-8, Chrome, Firefox, Safari, Opera 10). The plugin provides visually appealing prompts that grab user attention on the subject matter.

Validations range from email, phone, and URL, to more complex calls such as ajax processing or custom javascript functions. Bundled with many locales, the error prompts can be translated into the language of your choice.

Formly is a jQuery Plugin for easily adding cross-browser styling and validation to forms. Formly makes adding forms to your site a bit more exciting. Easily add style, validation, and a more impressive user interaction with a single function.

The plugin comes bundled with a useful set of validation methods, including URL and email validation, while providing an API to write your own methods. All bundled methods come with default error messages in english and translations into 36 locales.